{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "potential therapeutic event", "arguments": ["Treatment.Freq", "Treatment.Drug", "Treatment", "Subject.Race", "Subject", "Combination.Drug", "Effect", "Treatment.Duration", "Subject.Gender", "Subject.Population", "Subject.Disorder", "Treatment.Time_elapsed", "Treatment.Route", "Treatment.Disorder", "Subject.Age"]}], "input": "We describe a patient with a liver abscess due to Entamoeba histolytica, in whom metronidazole therapy (total dose, 21 g over 14 days) was complicated by reversible deafness, tinnitus, and ataxia and who relapsed 5 months later with a splenic abscess."}
{"potential therapeutic event": []}